.w {
    width: 80%;
    max-width: 1365px;
    margin:  0 auto;
}
.warpBox {
    min-height: 100vh;
    background-repeat: repeat-y;
    background-size: 100%;
    background-image: url(../images/img/about_bg.png);
    padding-bottom: 9.2857rem;
}
.content_1 {
    padding-top: 2.5rem;
    font-size: 18px;
    line-height: 30px;
    color: #212121;
}
._navBox .txtBox {
    font-size: 16px;
    align-items: flex-end;
}
._navBox .txtBox>div {
    cursor: pointer;
    margin-left: 40px;
    border-bottom: 2px solid transparent;
}
._navBox .txtBox>div:hover {
    border-color: rgb(255, 241, 0);
}
.content_2 {
    width: 100%;
    justify-content: space-between;
}
.content_2 .imgBox {
    padding: 7px 6px;
    padding: 10px;
    margin-bottom: 20px;
    width: 48%;
    color: #252525;
}
.content_2 .imgBox:hover,.content_2 .imgBox:hover .date  {
    background-color: #0068b7;
    color: #fff;
}
.content_2 .imgBox:hover .txt {
    color: #fffc00;
}
.content_2 .img {
    position: relative;
}
.content_2 .imgBox img{
    width: 100%;
    display: block;
}
.content_2 .imgBox>div {
    position: relative;
    font-size: 12px;
}
.content_2 .date {
    padding: 10px 20px;
    background-color: #eee;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
    font-size: 17px;
    line-height: 21px;
    left: 0;
    bottom: 0;
}
.content_2 .date>p:nth-of-type(1) {
    font-size: 42px;
    line-height: 40px;
}
.content_2 .textBox {
    padding: 10px;
    padding-bottom: 0;
    font-size: 12px;
    line-height: 24px;
}
.content_2 .txt {
    font-size: 16px;
    line-height: 18px;
}